Sodium Tripolyphosphate(STPP)

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Description

Sodium Tripolyphosphate(STPP)

Specifications:

1.Properties
White microdot powder with luster, melting point at 622 o C, easily soluble in water,

with remarkable chelating ability to some metal ions such as Ca 2+, Mg 2+, can soften

hard water, change suspension into solution, slightly alkaline, without causticity.
2.Usage
Used as main auxiliary of synthetic wash, soap synergistic agent, water softener,

leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension

such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative

agent for paper making, organic synthesis catalyzer, and used in epuration of

petroleum product, gum latex storage, as dispersant, solvent in metal industry and

pharmaceutical industry, also widely used in gum synthesis, foodstuff industry,

and poultry process.
3.Specifications

ITEM	INDEX
ITEM	TECH. GRADE
Na5P3O10 (%):	94Min
P2O5 (%):	57 Min
water Insoluble (%):	0.10Max
Ph (1% solution):	9.2-10
Whiteness(%):	90Min
Bulk Density (g/ cm3)	0.7-0.8
Finess ; Passing through 1mm Mesh	95 Min
Arsenic (As) (%):	N
Heavy Metal (As Pb) (%):	N
Fluoride(F) (%):	N

4.Packing

We use the kraft paper bags,25kg per bag.To meet your special

requirements for packing

packing & Delivery

Product packaging

We have cooperated with experienced shipping forwarders for many years, they arrange the shipment. No matter by express, by air or by sea, we will track the course of the goods all the way, to make sure goods arrive at you on time and in good condition.

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